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Cocaine use does not affect mean platelet volume.

Nuri Ilker Akkus1, Saurabh Rajpal1, Andres Vargas1

  • 1Health Sciences Center, Louisiana State University Shreveport, LA USA.

Interventional Medicine & Applied Science
|June 30, 2015
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Summary

Mean platelet volume (MPV), a marker of platelet activation, was not elevated in patients with cocaine-associated chest pain, even those with acute myocardial infarction. Cocaine abuse did not significantly influence MPV levels in this patient group.

Keywords:
cocaine usemean platelet volumeplatelet

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Area of Science:

  • Cardiology
  • Hematology
  • Toxicology

Background:

  • Increased mean platelet volume (MPV) signifies platelet activation.
  • Platelet activation associated with cocaine use is not well-understood.
  • Cocaine use is a known cause of chest pain, mimicking cardiac events.

Purpose of the Study:

  • To investigate mean platelet volume (MPV) levels in patients presenting with cocaine-associated chest pain (CACP).
  • To assess MPV as a potential marker of platelet activation in CACP patients, including those with and without acute myocardial infarction (AMI).

Main Methods:

  • Retrospective analysis of 82 CACP patients with positive urine drug screens (UDS).
  • Comparison of MPV levels between CACP patients (Group 1) and a control group (Group 2) of 89 patients with acute chest pain (ACP) and negative UDS.
  • Subgroup analysis of CACP patients with and without AMI (Group 1A vs. Group 1B).
  • Multiple linear regression analysis to determine the influence of cocaine abuse on MPV.

Main Results:

  • No statistically significant difference in MPV was found between CACP patients (8.46 ± 1.06 fL) and controls (8.7 ± 1.07 fL; p = 0.142).
  • MPV levels were similar between CACP patients with (8.46 ± 1.09 fL) and without AMI (8.46 ± 1.05 fL; p = 0.983).
  • Cocaine abuse did not significantly influence MPV levels (R = 0.269, p = 0.562).

Conclusions:

  • Mean platelet volume (MPV) is not elevated in patients with cocaine use, even in the presence of acute myocardial infarction.
  • Platelet activation, as indicated by MPV, may not play a significant role in cocaine-associated chest pain.
  • Further research is warranted to explore the complex relationship between platelet activation and cocaine use in patients with chest pain.